I like this decision a lot. White is heading for a position with a small advantage, reducing Black's active possibilities.
7... b8c6  8. e1g1  8... b4c3 Usually after castling in these types of positions, it's a good idea for Black to take the knight on c3, since without the pin there's always the risk of the knight coming out and the bishop being badly placed on b4. 9. c2c3  9... d8e7 This is inaccurate.